import java.util.Scanner;


enum Grade {
    A, B, C, D, E
}

public class Main {

    public static Grade getGrade(int score) {
        if (score >= 90 && score <= 100) {
            return Grade.A;
        } else if (score >= 80 && score < 90) {
            return Grade.B;
        } else if (score >= 70 && score < 80) {
            return Grade.C;
        } else if (score >= 60 && score < 70) {
            return Grade.D;
        } else {
            return Grade.E;
        }
    }


    public static void printGradeInfo(Grade grade) {
        System.out.println("class name=" + Grade.class);
        System.out.println("grade value=" + grade);
    }


    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);


        while (scanner.hasNextInt()) {
            int score = scanner.nextInt();
            Grade grade = getGrade(score);


            switch (grade) {
                case A:
                    System.out.println("Excellent");
                    break;
                case B:
                    System.out.println("Good");
                    break;
                case C:
                    System.out.println("Average");
                    break;
                case D:
                    System.out.println("Fair");
                    break;
                case E:
                    System.out.println("Poor");
                    break;
            }


            printGradeInfo(grade);
        }

        scanner.close();
    }
}